Reference for Pesachim 41:5

האי מודה רבי אליעזר לרבי יהושע מודה רבי יהושע לר' אליעזר מיבעי ליה אמר רבא איפוך

R'Joshua concedes to R'Eliezer' is required?<span class="x" onmousemove="('comment',' It is R. Eliezer who holds that he must never defile deliberately, while it is R. Joshua who permits deliberate defilement in other circumstances');">⁵</span> - Said Raba: Reverse it.

Jastrow

Jastrow